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8.12.08

How do you get those Master combination locks open when you'velost the combination? I found this file on a BBS and re-edited it tomake sense. There was no reference to an author, so he will remainforever unknown.

The Master Lock Company has made this kind of lock with a builtin protection device. When you pull the shank of the lock (the partthat springs open when you have given the lock the correctcombination), the combination dial will not turn. That failure torotate provides the key to being able to open a Master combinationlock once you have forgotten the combination (something we are allprone to do!). There are three (3) numbers to a Master combinationlock. You might want to get out a lock to understand easier.

To determine the first number:

Grasp the shank and gently pull on it. Do not pull it too hardor the dial will not turn at all! While pulling on the shank, rotatethe dial to the LEFT until it will not rotate any further. Read thenumber under the index. Add 5 to this number and you have determinedthe first of the three numbers.

To determine the second number:

Relax the pressure on the shank and turn the dial completelyaround three to four times to the left. Rotate the dial to the rightto the first number you determined. Then rotate the dial further tothe right, bypassing the number once. When you have bypassed yourfirst number, again gently begin pulling the shank and continuerotating the dial. It will eventually fall into a "groove" and thedial will cease to rotate. While in the groove, pull on shank andturn the dial. If the dial is lose and feels sloppy, go to the nextgroove. If the know will not rotate at all then you have determinedthe second number.

To determine the third number:

After getting the second number, relax the pressure on the shankand re-spin the dial. Then enter the first two numbers. After thesecond number, go to the right and at all the numbers give the handlea pull. The lock will eventually open if you did it right. If youcan't do it the first time, be patient. Lock picking is not learnedovernight and it takes time. Or you can Do it yourself as you follow this video tutorial: